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This commit is contained in:
Markus Fröschle
2012-10-11 21:15:58 +00:00
parent d86b666577
commit afd183a866
1 changed files with 5 additions and 22 deletions
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27
BaS_GNU/sources/sd_card.c
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@@ -1,12 +1,8 @@
/********************************************************************/ /*
// sd card * sd card
/********************************************************************/ */
#define __MBAR 0xff000000 #include <mcf5475.h>
#define MCF_SLT0_SCNT __MBAR + 0x908
#define MCF_PSC0_PSCTB_8BIT __MBAR + 0x860C
#define MCF_PAD_PAR_DSPI __MBAR + 0xA50
#define MCF_DSPI_DMCR __MBAR + 0x8A00 //dspi control
#define dspi_dtar0 0x0c #define dspi_dtar0 0x0c
#define dspi_dsr 0x2c #define dspi_dsr 0x2c
@@ -14,21 +10,8 @@
#define dspi_drfr 0x38 #define dspi_drfr 0x38
#define time1us 1320 #define time1us 1320
extern void wait_10ms(void);
void wait_10ms(void)
{
asm
{
warte_10ms:
move.l d0,-(sp)
move.l MCF_SLT0_SCNT,d0
sub.l #1320000,d0
warte_d6:
cmp.l MCF_SLT0_SCNT,d0
bcs warte_d6
move.l (sp)+,d0
}
}
void sd_com(void) // byt senden und holen --------------------- void sd_com(void) // byt senden und holen ---------------------
{ {